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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2020, Volume 112, Issue 5, Pages 325–331
DOI: https://doi.org/10.31857/S1234567820170097 (Mi jetpl6251) 		 
This article is cited in 5 scientific papers (total in 5 papers)

CONDENSED MATTER

Diffusion of nanobubbles in fcc aluminum

A. S. Antropovab

a Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, 125412 Russia
b Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, Moscow region, 141701 Russia
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DOI: https://doi.org/10.31857/S1234567820170097
Abstract: The existing theories of diffusion of gas-filled and empty bubbles in solids as yet do not have sufficient predictive power and require refinements that can be made using simulation. The method of the accelerated molecular dynamics simulation of the bubble drift in a pressure gradient is theoretically substantiated in this work. This method is used to calculate the diffusion coefficient of empty nanobubbles in aluminum. The theory of diffusion by means of the formation of critical terraces on the faces is supplemented in such a way that there is no contradiction with the continuous model for macroscopic dimensions. The simulation results show the key role of the formation mechanism of terraces in nanobubbles and confirm the amended theory. The inclusion of the effect of gas makes it possible to compare the simulation results with experimental data. The comparison also confirms the formation mechanism of terraces.
Funding agency Grant number
Russian Foundation for Basic Research 18-08-01495_а
This work was supported by the Russian Foundation for Basic Research (project no. 18-08-01495).
Received: 15.07.2020
Revised: 12.08.2020
Accepted: 12.08.2020
English version:
Journal of Experimental and Theoretical Physics Letters, 2020, Volume 112, Issue 5, Pages 310–315
DOI: https://doi.org/10.1134/S002136402017004X
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. S. Antropov, “Diffusion of nanobubbles in fcc aluminum”, Pis'ma v Zh. Èksper. Teoret. Fiz., 112:5 (2020), 325–331; JETP Letters, 112:5 (2020), 310–315
Citation in format AMSBIB
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    • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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